Volvo S40 2.5 T 220 hp — Stage 1 file (+50 hp)

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Chip tuning for Volvo S40 2.5 T 220 hp ECU

Volvo S40 (2004) 2.5 T 220 hp — premium petrol engine of the passenger segment of the Geely Holding (с 2010) group (Швеция, 1927). Stage 1 chip tuning raises power from 220 to 270 hp (+50 hp, +23%) and torque from 320 to 390 Nm (+70 Nm). ECU — Bosch ME9.0C. Flashing method: OBD or Bench depending on the unit's protection. In the CHIPOK database: 2 configurations. A petrol engine built in 2004 — the era before widespread firmware encryption, OBD flash without complications.

Polestar is Volvo's performance division, and a standalone brand since 2017. The Volvo range comprises premium saloons, estates and crossovers (SPA and CMA platforms). Volvo shares platforms and engines with Geely and Polestar. Polestar Engineered is Volvo's performance engine range. VEA is Volvo's modern modular petrol engine range. High-output Volvo turbo petrol engines deliver a solid gain with Stage 1.

Within Geely Holding, ECUs are partly shared with Polestar and some Geely models. The Volvo community in Scandinavia and Eastern Europe has a large pool of ready-made Stage files. High-output Volvo models are premium crossovers with solid headroom for Stage 1.

Frequently asked questions

What is the Stage 1 effect on the Volvo S40 2.5 T 220 hp?

Stage 1 chip tuning on the Volvo S40 2.5 T 220 hp boosts engine output by 50 hp: from 220 to 270 hp. Torque rises from 320 to 390 Nm (+70 Nm).

What changes in the Volvo S40 ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Volvo S40 with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +50 hp with no hardware changes.

Do you need hardware changes for Stage 1 on the Volvo S40?

Stage 1 on the powerful Volvo S40 2.5 T 220 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).

What is Stage 2 for the Volvo S40 2.5 T 220 hp?

Stage 2 for the Volvo S40 2.5 T 220 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

What ECU platform does the Volvo S40 2.5 T 220 hp use?

The Volvo S40 2.5 T 220 hp is fitted with the Bosch ME9.0C ECU. The read method depends on the unit's protection: OBD, Bench via BDM, or Boot mode.

Does the factory warranty of the Volvo S40 remain valid after Stage 1?

After remapping the Volvo S40, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Volvo S40?

Reading and writing via OBD takes 25-30 minutes on the Volvo S40. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Volvo S40?

Before Stage 1 the original of the Volvo S40 2.5 T 220 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Volvo S40 2.5 T 220 hp cost?

The remap price for the Volvo S40 2.5 T 220 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno